Home / 232,590,660.98-320,977,264.77-128,172,469.10

Finding the Fourth Proportional to 232,590,660.98, 320,977,264.77 and 128,172,469.10

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Solution

The fourth proportional to 232,590,660.98, 320,977,264.77 and 128,172,469.10 is: 176,879,193.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,590,660.98 : 320,977,264.77 = 128,172,469.10 : x
  2. Step 2: Convert to fraction form
    232,590,660.98/320,977,264.77 = 128,172,469.10/x
  3. Step 3: Cross multiply
    232,590,660.98x = 320,977,264.77 × 128,172,469.10
  4. Step 4: Simplify right side
    232,590,660.98x = 41,140,448,548,930,456
  5. Step 5: Solve for x
    x = 41,140,448,548,930,456/232,590,660.98
  6. Step 6: Final answer
    x = 176,879,193.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.